Science

Wednesday, 3 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Deimos
The escape velocity from the surface of Deimos is 20 km/h.
Tears
Babies can cry for up to three hours a day.
It is their way of communicating their needs, such as hunger, tiredness, or discomfort.
Earth
Most people live in the northern hemisphere.
This is because the Northern Hemisphere accounts for 68 percent of all landmass. It is estimated that in the future up to 90 percent of the population may live in this part of the globe.
Fungi
The fungus Ophiocordyceps unilateralis can take over ants.
Cordyceps species are parasitic fungi that live on animals - insect larvae or spiders - using them a ...
Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.
Titan
Its surface is highly geologically diverse.
It is covered in lighter and darker areas: seas, lakes, bays, islands, rivers, canals, mountain ridges, valleys, fjords, and dunes.
NASA
In the case of finding life on other planets, NASA established an Office of Planetary Protection.
Liver
It stores vitamins and minerals.
The vitamins stored in the liver are fat-soluble A, D, E, and K, vitamin B12, copper, and iron. It is responsible for converting vitamin D into an active form.
Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
Silver
Due to its bactericidal properties, silver is also used in the textile industry.